Environmental and Human Impacts on Coastal and Marine Protected Areas in India

Krishnamoorthy, R; Devasenapathy, J.; Thanikachalam, Muniappan; Ramachandran, S.

doi:10.1007/0-306-48051-4_35

Cited by 1 publication

(1 citation statement)

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“…To date, the marine environmental quality of the GoM has been assessed predominantly by using water and sediments (Ramesh et al 2002;Jonathan et al 2004;Rajendran et al 2005), with some biota contaminant studies that focused on marine sponges in the GoM (Venkateswara Rao et al 2006, 2007. To protect the marine biodiversity at GoM from the adverse effects of pollution, the Government of India constituted a law under the environment protection act (EPA 1986;Krishnamoorthy et al 2003). Hence, it is necessary to assess the ecohealth of this marine environment by choosing suitable biomonitor species that provide accurate, reliable measurements of environmental quality as required in the GoM.…”

Section: Introductionmentioning

confidence: 99%

The use of marine sponge, Haliclona tenuiramosa as bioindicator to monitor heavy metal pollution in the coasts of Gulf of Mannar, India

Rao

Srikanth

Pallela

et al. 2008

Environ Monit Assess

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The results of the present research study indicate that the heavy metal accumulation in the marine sponges provide evidence as an excellent bioindicators for monitoring heavy metal pollution between near and offshore environments of Mandapam coast of "Gulf of Mannar (GoM), India". The heavy metal concentrations in sea water and accumulation in the tissues of Haliclona tenuiramosa were analyzed by ICP-MS (inductively coupled plasma-mass spectrometry). The concentrations of metals in the coastal waters of nearshore (< 0.5 km from shore) were always higher than those in the offshore waters (2-5 km away from shore). Likewise, sponges living in the nearshore accumulated greater concentrations of heavy metals (As, Cd, Co, Cu, Fe, Mn and Ni) ranging from 2 to 17 times higher concentration than the sponges located away from the shore. A positive correlation between concentration levels in water and bioaccumulation in tissues was observed. The bioaccumulation of heavy metals in sponge tissue were in order of Fe > Mn > Ni > Cu > As > Co > Cd in both the near and offshore stations. The present results justified that a more comprehensive monitoring of presence of heavy metals in H. tenuiramosa of surrounding GoM, is necessary to help a better mitigation of the problem.

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